The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.

Being able to do computer-generated graphics and full imagery across the dome has radically changed what role a ...

Glowing like a multi-faceted jewel, the planetary nebula IC 418 lies about 2000 light-years from Earth in the constellation ...

New observations have revealed that we were wrong about the length of a day on Uranus. According to the most precise ...

The new data on Uranus' interior rotation rate has a level of accuracy 1,000 times greater than previous estimates.

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

Aurora lights on Uranus helped NASA’s Hubble Space Telescope measure the planet’s interior rotation rate, changing what astronomers know about how long a day is on the cold and windy world.

Research published by scientists in England found a 2017 solar event compressed Jupiter's magnetic field, setting off aurora at the poles and heating in the upper atmosphere that spread across the ...

If you've been wondering how long the day on Uranus is, you probably need to get out more. But if you have, you'll be ...

Astronomers have just revealed that a day on Uranus is longer than was previously thought, at 17 hours, 14 minutes and 52 seconds. This is 28 seconds longer than the previous estimate, which was made ...

A massive solar windstorm in 2017 compressed Jupiter's magnetosphere "like a giant squash ball," a new study reports.